KENDO UI＆＃39; Uncaught TypeError：e.slice不是一个函数＆＃39;

Question

我发生了一件非常奇怪的事情。 在我的视图中添加以下2个脚本时。我收到了错误

  

＆＃39; 未捕获的TypeError：e.slice不是函数＆＃39;

关于ajax调用的成功块。

Html.AppendScriptParts(string.Format("~/Administration/Scripts/kendo/{0}/kendo.data.min.js", kendoVersion));
Html.AppendScriptParts(string.Format("~/Administration/Scripts/kendo/{0}/kendo.web.min.js", kendoVersion));

这是我对后端的回应。

{"ExtraData":null,"Data":[{"Id":3,"TotalLicense":0,"TotalAvailableLicense":0,"TotalSoldLicense":0,"TotalLicenseAssignedToCustomer":0,"ProductSKU":"SLN-PP-001","ProductName":"Prepaid code - Full Stream License BCM 30 days","LicenseNumber":"BCQH EKDJ LP8E","Runtime":null,"ActivationStart":"01/01/0001","ActivationEnd":"01/01/0001","OwnerName":"Suman Kumar","OwnerEmail":"contact@devodee.com","ShortDescription":null,"OrderNumber":7,"ProductSeName":"prepaid-code-full-stream-license-bcm-30-days","SearchProductSKU":null,"SearchProductName":null,"SearchLicenseNumber":null,"SearchOwnerName":null,"SearchOwnerEmail":null,"SearchOrderNumber":0,"ShowProductSKUFront":false,"ShowProductNameFront":false,"ShowLicenseNumberFront":false,"ShowRuntimeFront":false,"ShowActivationStartFront":false,"ShowActivationEndFront":false,"ShowOwnerNameFront":false,"ShowOwnerEmailFront":false,"ShowShortDescriptionFront":false,"ShowOrderNumberFront":false,"ShowProductSKUBack":false,"ShowProductNameBack":false,"ShowLicenseNumberBack":false,"ShowRuntimeBack":false,"ShowActivationStartBack":false,"ShowActivationEndBack":false,"ShowOwnerNameBack":false,"ShowOwnerEmailBack":false,"ShowShortDescriptionBack":false,"ShowOrderNumberBack":false,"CustomProperties":{}},{"Id":4,"TotalLicense":0,"TotalAvailableLicense":0,"TotalSoldLicense":0,"TotalLicenseAssignedToCustomer":0,"ProductSKU":"SLN-PP-001","ProductName":"Prepaid code - Full Stream License BCM 30 days","LicenseNumber":"DW4W BBAJ TFQX","Runtime":null,"ActivationStart":"01/01/0001","ActivationEnd":"01/01/0001","OwnerName":"Suman Kumar","OwnerEmail":"contact@devodee.com","ShortDescription":null,"OrderNumber":8,"ProductSeName":"prepaid-code-full-stream-license-bcm-30-days","SearchProductSKU":null,"SearchProductName":null,"SearchLicenseNumber":null,"SearchOwnerName":null,"SearchOwnerEmail":null,"SearchOrderNumber":0,"ShowProductSKUFront":false,"ShowProductNameFront":false,"ShowLicenseNumberFront":false,"ShowRuntimeFront":false,"ShowActivationStartFront":false,"ShowActivationEndFront":false,"ShowOwnerNameFront":false,"ShowOwnerEmailFront":false,"ShowShortDescriptionFront":false,"ShowOrderNumberFront":false,"ShowProductSKUBack":false,"ShowProductNameBack":false,"ShowLicenseNumberBack":false,"ShowRuntimeBack":false,"ShowActivationStartBack":false,"ShowActivationEndBack":false,"ShowOwnerNameBack":false,"ShowOwnerEmailBack":false,"ShowShortDescriptionBack":false,"ShowOrderNumberBack":false,"CustomProperties":{}}],"Errors":null,"Total":2}

当我删除下面的JS时，

//Html.AppendScriptParts(string.Format("~/Administration/Scripts/kendo/{0}/kendo.data.min.js", kendoVersion));

错误涂漆。但是这些JS必须在视图中添加一些其他功能。

kendo.web.min.js:13 Uncaught TypeError: e.slice is not a function
at init.success (kendo.web.min.js:13)
at i (jquery-1.10.2.min.js:4)
at Object.n.success (kendo.data.min.js:11)
at c (jquery-1.10.2.min.js:4)
at Object.fireWith [as resolveWith] (jquery-1.10.2.min.js:4)
at k (jquery-1.10.2.min.js:6)
at XMLHttpRequest.r (jquery-1.10.2.min.js:6)

任何人都可以详细说明这里出了什么问题，我错过了什么吗？

Answer 1

当我使用kendo.DataSource而没有窗口小部件从后端检索单个对象（序列化为JSON）时，我也遇到了此错误。我的解决方法是添加一个伪造的slice()函数，该函数返回对象本身的克隆：

            schema: {
                data: (response: any) => {
                    // Augment returned data with a slice() method used internally by Kendo DataSource 
                    // in the absence of "schema.model" to obtain a pristine copy of the object.
                    response.slice = () => JSON.parse(JSON.stringify(response));
                    return response;
                }
            }

Answer 2

在清除控件时，我遇到了kendoAutoComplete编辑器控件的错误。第一次在控件中键入字符时并没有发生，因为直到输入至少两个字符后它才发出服务器请求。该控件使用服务器过滤来通过JSON请求检索数据。问题是我正在服务器上测试是否为空或空的过滤器，在这种情况下返回了一个空的JSON对象。

解决方法是返回一个空的JSON数组。